Special zoning regulations apply to ADU construction in West Hollywood. ADU construction is allowed in residential areas, but it is necessary to follow some specific rules. According to the standards set by the municipality, the ADU should be constructed in harmony with the main building.
| Lot Size | Single-Family (Maximum Floor Area Allowed) | Duplex and Multi-Family (Maximum Floor Area Allowed) |
| 4,500 | 1,100 sq ft | 750 sq ft |
| 7,000 | 1,400 sq ft | 950 sq ft |
| 9,500 | 1,700 sq ft | 1,150 sq ft |
| 14,500 | 2,300 sq ft | 1,550 sq ft |
| 19,500 | 2,900 sq ft | 1,950 sq ft |
The size of ADU in West Hollywood depends on the area of the plot. ADUs of small area can be made on small plots. More area of ADU is allowed on larger plots. As per the rules, the ADU should have a minimum area of 200 square feet.
The height limit of ADU in West Hollywood must be less than the height of the main building. A one-storey ADU can have a maximum height of up to 16 feet. The maximum height of the two-storey ADU is allowed up to 25 feet. The height is calculated from the ground level.
Building coverage is essential for ADU in West Hollywood. The total coverage of the main building and ADU should not exceed 45% of the area of the plot. The projection of the roof is also included when calculating the coverage. Special attention is paid to environmental protection in all construction works.
The location of the ADU should be behind or next to the main building. ADU cannot be constructed at the front. Our team will survey your property and select the best location.
Single-Family:
Duplexes and Multi-Family:
The ADU exterior design in West Hollywood should harmonize with the main building. The color and texture of the exterior walls must match the main building. The design of windows and doors should be modern and safe. All building materials must be of high quality.
West Hollywood regulations require additional parking space for ADUs. A parking space is mandatory for a one-bedroom ADU. The size of the parking space should be at least 9×18 feet. ADUs located near public transportation may get a parking discount.
It is mandatory for ADU in West Hollywood to follow setback and buffer zones. A setback of at least 20 feet has to be kept at the front. A setback of 5 feet is required in the side yard. A setback of 10 feet in the back yard is a must. These rules ensure security and privacy.
| Zone | Minimum Lot Area |
| R-18 | 4,800 sq. ft. |
| R-9 | 7,200 sq. ft. |
| R-6 | 9,800 sq. ft. |
| R-4 | 14,800 sq. ft. |
| R-2 | 19,800 sq. ft. |
There are different minimum lot areas set for different zones in West Hollywood. The minimum area of the plot is important for ADU construction in RF zones. All existing structures are taken into account when calculating this area.
Utility connection arrangements are of particular importance for ADU in West Hollywood. Electricity, water and sewer connections should be independent of the main building. Meters and connection points should be clearly marked. All connections must conform to local codes and standards.
Future requirements are also taken into account when planning a utility connection. The connection capacity is assessed according to the size and use of the ADU. All connections are installed by professional technicians. Regular maintenance and inspections are also planned.
Adherence to fire safety standards is extremely important for ADU in West Hollywood. Smoke detectors and carbon monoxide alarms are mandatory. There should be proper arrangement of emergency exits. Fire extinguishers should be within easy reach. All electrical and gas connections must conform to safety standards.
Special rules apply to short-term rentals to ADUs in West Hollywood. The minimum period of fare has been set at 30 days. The use of ADU for business activities is limited. Home office is allowed, but customer services are restricted. All business activities should be quiet and neighbor-friendly.
West Hollywood ‘s ADU construction is mandated to comply with the California Building Code. All building materials must be recognized and safe. Electrical and plumbing work must be done by licensed contractors. Adherence to energy efficiency standards is essential. All safety rules are strictly followed.
| Permit Type | Cost |
| Building Permit | $2,500 – $5,500 |
| Electrical Permit | $300 – $550 |
| Plumbing Permit | $250 – $450 |
| Mechanical Permit | $200 – $350 |
| Demolition Permit | $150 – $250 |
| Landscaping Permit | $75 – $150 |
Various permits are required for ADU construction in West Hollywood. The process of obtaining all permits is simple and transparent. It is necessary to attach all the necessary documents in the permit application.
Some basic property criteria are set for ADU construction in West Hollywood. The minimum size and position of the plot is important. The existing building should be in good condition. Drainage and soil conditions should be suitable. All necessary infrastructure facilities should be available.
The parking rules for ADU in West Hollywood are clear. Parking of a car is compulsory. Parking spaces should be accessible and safe. Alternative parking arrangements are necessary when converting the garage into an DU. ADUs located near public transport may get discounts on parking.
The front setback for ADU in West Hollywood must be in accordance with municipal regulations. The minimum distance from the main road is fixed at 20 feet. Landscaping can be done in the setback area. The area should be clean and barrier-free. All setback criteria must conform to local regulations.
Side and rear setbacks are required for the ADU as per the rules of West Hollywood. A setback of 4 feet is a must in the side yard. A setback of 10 feet will have to be kept in the back yard. Useful plants can be planted in the setback area. These rules protect the privacy of neighbors.
It is essential to maintain a sufficient amount of open space even after ADU construction in West Hollywood. The back yard should be green and organized. The place should be safe for children to play. Rainwater harvesting can be arranged. All open spaces are kept clean regularly.
Property eligibility is important for ADU manufacturing in West Hollywood. Both single-family and multi-family housing are eligible for DUs. The size of the plot must meet the minimum requirements. The existing building should be safe and stable. All legal requirements must be met.
The construction of the original building in the eligible properties should be complete. Necessary permits and approvals must be valid. There should be no legal dispute over the property. Adherence to environmental and zoning regulations is essential. All basic facilities should be available.
Special rules apply to junior ADU in West Hollywood. Their maximum area has been fixed at 500 square feet. JADU is constructed inside the main building. Shared arrangement of the kitchen is allowed. It is necessary to have separate entrances. It is important to follow all safety standards.
The West Hollywood Municipal Corporation has already approved some ADU designs. These designs conform to all regulations and standards. Choosing a pre-approved design speeds up the permit process. These designs include all the features needed. Construction costs can be estimated in advance.
Various sizes and styles are available in pre-approved ADUs. They have options ranging from one to two bedrooms. All designs are energy efficient and durable. Materials adapted to the local climate have been used. Less regular maintenance is required.
ADU Builders CA in West Hollywood assists in successfully completing your ADU project. Our expert team is fully aware of all the rules and standards. You can avail our free consultation service. We will guide you through the entire process from permit to construction. Contact us today and move your ADU project forward.
Fire sprinklers are only required if the primary dwelling also has them.
ADUs typically require a minimum setback of 4 feet from property lines.
Separate utility connections are optional but not mandatory for most ADUs.
The checklist includes design review, site plans, structural plans, permits, and financing.
You need site plans, floor plans, construction details, and a permit application.
Inspections typically include foundation, framing, plumbing, electrical, and final review.
Work with licensed professionals to design and construct your ADU to code.
You may need to revise and resubmit plans to the West Hollywood planning office.
Submit complete and accurate documents and work with professionals to avoid delays.
ADUs under 750 sq. ft. are exempt from impact fees.
Yes, it includes checking structure, utilities, and obtaining conversion permits.
Yes, ADUs must meet height, size, and setback requirements, and their design should complement the primary dwelling.
Yes, but you need to ensure the ADU fits within allowable lot coverage and setback rules.
ADUs must comply with California Building Codes, including foundation, framing, insulation, plumbing, and electrical requirements.
Yes, ADUs must comply with California Energy Code (Title 24) and include energy-efficient windows, insulation, and appliances.
You must submit a revised plan to the West Hollywood Building Department and may incur additional fees or inspections.
Yes, ADUs near high-noise areas (e.g., busy roads) must include soundproofing measures such as double-glazed windows.
Yes, you can appeal to the city’s Planning Commission or seek adjustments to meet requirements.
Lot coverage varies by zoning but generally allows for up to 50% of the lot to be developed, including the primary dwelling and ADU.
